host = '127.0.0.1'
port = 27017
database = 'LiePin'

import time

start = time.clock()

from pymongo import MongoClient

connection = MongoClient(
 host,
 port
)
db = connection[database]

for doc in db.LiePin_Analysis1.find({}, ['_id', 'JobTitle', 'is_end']):
 db.LiePin_Analysis1.update_one({'_id': doc.get('_id')}, {
  '$set': {
   'is_end': 1
  }
 })

elapsed = (time.clock() - start)
print("Time used:",elapsed)

host = '127.0.0.1'
port = 27017
database = 'LiePin'

import time

start = time.clock()

import asyncio
from motor.motor_asyncio import AsyncIOMotorClient

connection = AsyncIOMotorClient(
 host,
 port
)
db = connection[database]

async def run():
 async for doc in db.LiePin_Analysis1.find({}, ['_id', 'JobTitle', 'is_end']):
  db.LiePin_Analysis1.update_one({'_id': doc.get('_id')}, {'$set': {'is_end':0}})

asyncio.get_event_loop().run_until_complete(run())

elapsed = (time.clock() - start)
print("Time used:",elapsed)